CN214808842U

CN214808842U - Suction filtration device for cyanuric acid production

Info

Publication number: CN214808842U
Application number: CN202120753523.9U
Authority: CN
Inventors: 刘志勇; 朝华
Original assignee: Henan Dahua Environmental Protection Material Co ltd
Current assignee: Henan Dahua Environmental Protection Material Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-23
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to cyanuric acid production facility field, concretely relates to suction filter device is used in cyanuric acid production. Including the filter cell, the equipartition is fixed with a plurality of connecting rods on the longitudinal direction in the filter cell, all be provided with the riser between the two adjacent connecting rods, be provided with the apical ring that a plurality of diameters reduced in proper order in the filter cell of riser below, the apical ring lower extreme all is fixed with a plurality of ejector pins, be provided with the grid plate in the filter cell, the cover is equipped with the lantern ring on the filter cell lateral wall, lantern ring inner edge and filter cell lateral wall outer fringe sliding seal are connected, lantern ring outer fringe lower extreme is fixed with a plurality of fixed blocks of going up, be fixed with down the fixed block on the filter cell of going up the fixed block below, go up the fixed block and pass through telescoping cylinder fixed connection with lower fixed block, the filter cell lower extreme is fixed with rather than the first fluid-discharge tube and the second fluid-discharge tube of intercommunication. The utility model discloses, the stability ability of filter cell is good, can effectually prevent in the use that the filter cell from taking place deformation, through the volume of the multiplicable this device of the lantern ring that rises, and then can increase the handling capacity to cyanuric acid.

Description

Suction filtration device for cyanuric acid production

Technical Field

The utility model relates to cyanuric acid production facility field, concretely relates to suction filter device is used in cyanuric acid production.

Background

In the production process of cyanuric acid, keeping the temperature of materials in a reaction kettle constant for 8 hours, paving filter cloth in a suction filtration tank, opening a circulating water inlet and outlet valve after the constant temperature is finished, slowly feeding circulating water into the reaction kettle, opening a tail gas valve when the circulating water is used for cooling, exhausting steam in a jacket, staying for about 1-2 minutes, then opening a water return valve, and then opening a water inlet valve; introducing until the pressure of a jacket is below 0.1MPa, keeping the pressure for several minutes, slowly opening a water inlet valve in turn, controlling the cooling speed to be kept at about 3 ℃/minute by adjusting the size of the water inlet valve, starting cooling the material, stopping the stirrer when the temperature is reduced to below 68 ℃, closing a circulating water outlet valve, opening a water drain valve at the bottom of a reaction kettle, opening a circulating water emptying valve at the upper part of the reaction kettle for draining, opening a emptying valve at the bottom of the reaction kettle, and putting the material liquid into a suction filtration tank paved with a filter cloth bag. And then, starting a vacuum unit, separating the mother liquor in the suction filtration tank from the fine cyanuric acid, and adding quantitative tap water into the suction filtration tank to wash the fine cyanuric acid after the mother liquor is separated. After the water washing is finished, the cyanamide is lifted by the filter cloth bag and moved to a material airing area for airing the materials.

When the existing filter tank is used, the structure is unstable, the treatment capacity is less, when the cyanuric acid in the filter tank is more, the filter tank is easy to deform, the filter tank is damaged when the cyanuric acid is serious, and meanwhile, the grid plate is easy to damage, and the replacement is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure, convenient to use, the stability ability of filter cell is good, can effectually prevent in the use that the filter cell from taking place the suction filtration device for cyanuric acid production of deformation.

In order to realize the purpose, the utility model provides a technical scheme is:

the suction filtration device for producing cyanuric acid comprises a filter tank with an opening at the upper end, a plurality of connecting rods are uniformly distributed and fixed in the longitudinal direction in the filter tank, a vertical plate is arranged between two adjacent connecting rods, the end part of the vertical plate is contacted with the inner edge of the side wall of the filter tank, a plurality of top rings with successively reduced diameters are arranged in the filter tank below the vertical plate, the plurality of top rings are concentrically arranged, a plurality of ejector rods are fixed at the lower end of each top ring, the lower end of each ejector rod is contacted with a bottom plate of the filter tank, the upper end of each top ring is fixedly connected with the lower end of the vertical plate, a grid plate is arranged in the filter tank, the lower end of the grid plate is contacted with the upper end of the vertical plate, a lantern ring is sleeved at the upper end of the side wall of the filter tank, the inner edge of the lantern ring is connected with the outer edge of the side wall of the filter tank in a sliding and sealing manner, a plurality of rib rings are fixed at the lower end of the outer edge of the lantern ring, a plurality of upper fixed blocks are fixed on the filter tank below the upper fixed blocks and are fixedly connected with the lower blocks through a telescopic cylinder, the lower end of the filter tank is fixedly provided with a first liquid discharge pipe and a second liquid discharge pipe which are communicated with the filter tank.

Specifically, a plurality of vertical chutes are formed in the outer edge of the side wall of the filter tank, sliding strips are arranged in the chutes in a sliding sealing mode, and the sliding strips are fixedly connected with the inner edge of the lantern ring.

Specifically, the vertical sliding grooves are uniformly distributed according to the circumference of the axis of the filter tank.

Specifically, the ejector rods are uniformly distributed according to the circumference of the axis of the top ring.

Specifically, the outer edge of the grid plate is in contact with the inner edge of the side wall of the filter tank.

Specifically, the first liquid discharge pipe and the second liquid discharge pipe are both provided with valves.

Specifically, the upper fixing blocks are uniformly distributed according to the circumference of the axis of the lantern ring.

Specifically, a plurality of rib rings set up according to the axial direction equipartition of the lantern ring.

Specifically, the cylinder body of the telescopic cylinder is fixedly connected with the lower fixing block, and the telescopic rod of the telescopic cylinder is fixedly connected with the upper fixing block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, simple structure, convenient to use, the stability ability of filter cell is good, can effectually prevent in the use that the filter cell from taking place deformation, through the volume of the multiplicable this device of the lantern ring that rises, and then can increase the handling capacity to cyanuric acid, can carry out effectual support protection to the grid plate, can the effectual life who improves the grid plate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the filter cell.

Detailed Description

As shown in the figure 1-2, the suction filtration device for cyanuric acid production comprises a filter tank 1 with an opening at the upper end, a plurality of connecting rods 4 are uniformly distributed and fixed in the filter tank 1 along the longitudinal direction, a vertical plate 3 is arranged between two adjacent connecting rods 4, the end part of the vertical plate 3 is contacted with the inner edge of the side wall of the filter tank 1, a plurality of top rings 5 with successively reduced diameters are arranged in the filter tank 1 below the vertical plate 3, the top rings 5 are concentrically arranged, a plurality of ejector rods 6 are fixed at the lower end of each top ring 5, the plurality of ejector rods 6 are uniformly distributed and arranged according to the circumference of the axis of the top ring 5, the lower end of each ejector rod 6 is contacted with the bottom plate of the filter tank 1, the upper end of each top ring 5 is fixedly connected with the lower end of the vertical plate 3, a grid plate 2 is arranged in the filter tank 1, the lower end of the grid plate 2 is contacted with the upper end of the vertical plate 3, the outer edge of the side wall of the filter tank 1 is contacted with the inner edge of the filter tank 1, a lantern ring 9 is sleeved on the upper end of the side wall of the filter tank 1, the lantern ring 9 is connected with the outer edge of the filter tank 1 in a sliding and sealing way, the outer edge of the side wall of the filter tank 1 is provided with a plurality of vertical sliding chutes 11, the vertical sliding chutes 11 are uniformly distributed according to the axis circumference of the filter tank 1, sliding strips 12 are arranged in the sliding chutes 11 in a sliding seal manner, the sliding strips 12 are fixedly connected with the inner edge of a lantern ring 9, the outer edge of the lantern ring 9 is fixedly provided with a plurality of rib rings 10, the rib rings 10 are uniformly distributed according to the axial direction of the lantern ring 9, the lower end of the outer edge of the lantern ring 9 is fixedly provided with a plurality of upper fixed blocks 15, the upper fixed blocks 15 are uniformly distributed according to the axis circumference of the lantern ring 9, the filter tank 1 below the upper fixed blocks 15 is fixedly provided with a lower fixed block 13, the upper fixed blocks 15 and the lower fixed blocks 13 are fixedly connected through a telescopic cylinder 14, the cylinder body of the telescopic cylinder 14 is fixedly connected with the lower fixed blocks 13, the telescopic rod of the telescopic cylinder 14 is fixedly connected with the upper fixed blocks 15, and the lower end of the filter tank 1 is fixedly provided with a first liquid discharge pipe 7 and a second liquid discharge pipe 8 which are communicated with the filter tank, and valves are arranged on the first liquid discharge pipe 7 and the second liquid discharge pipe 8.

When the utility model is used, the height of the lantern ring 9 is adjusted according to the handling capacity of cyanuric acid, the telescopic cylinder 14 is started, the telescopic rod of the telescopic cylinder 14 drives the lantern ring 9 to move upwards through the upper fixing block 15, after the lantern ring 9 moves upwards, the volume of the device is increased, so the handling capacity of cyanuric acid can be improved, the filter cloth bag is laid in the filter tank 1 above the grating plate 2, the bag mouth of the filter cloth bag is folded outwards and then is sleeved at the upper end of the lantern ring 9, the upper end of the filter tank 1 can be stabilized by the lantern ring 9 and the rib ring 10 fixed at the outer side of the lantern ring 9, the lower part of the filter tank 1 can be stabilized by the connecting rod 4, so that the filter tank 1 can be prevented from deforming due to much cyanuric acid in the device, the first liquid discharge pipe 7 and the second liquid discharge pipe 8 are respectively communicated with a vacuum unit, the material liquid is put into the filter cloth bag, the mother liquid flows into the lower end of the filter tank 1 after passing through the filter cloth bag, and (3) starting a vacuum unit communicated with the first liquid discharge pipe 7, separating the mother liquor in the filter tank 1 from cyanuric acid, and pumping the mother liquor into a mother liquor tank to be used as ammonium sulfate circulating liquor. After mother liquor is separated, adding quantitative tap water into the filter tank 1 for washing with cyanuric acid, enabling washing water to flow into the lower end of the filter tank 1 through the filter cloth bag, starting a vacuum unit communicated with the second liquid discharge pipe 8 to pump out the washing water, carrying out suction filtration on the washing water to the washing water tank, recycling the washing water as pulping station mother liquor and reaction kettle mother liquor until the cyanuric acid is pumped to about 25% of water content, stopping the vacuum unit, and then lifting up the cyanuric acid through the filter cloth bag and moving the cyanuric acid to a material airing area for airing materials.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The suction filtration device for producing cyanuric acid comprises a filter tank with an opening at the upper end, and is characterized in that a plurality of connecting rods are uniformly and fixedly distributed in the longitudinal direction in the filter tank, a vertical plate is arranged between every two adjacent connecting rods, the end part of the vertical plate is contacted with the inner edge of the side wall of the filter tank, a plurality of top rings with successively reduced diameters are arranged in the filter tank below the vertical plate, the top rings are concentrically arranged, a plurality of ejector rods are fixed at the lower ends of the top rings, the lower ends of the ejector rods are contacted with a bottom plate of the filter tank, the upper ends of the top rings are fixedly connected with the lower ends of the vertical plate, a grid plate is arranged in the filter tank, the lower end of the grid plate is contacted with the upper end of the vertical plate, a lantern ring is sleeved at the upper end of the side wall of the filter tank, the inner edge of the lantern ring is connected with the outer edge of the side wall of the filter tank in a sliding and sealing manner, a plurality of rib rings are fixed at the lower ends of the outer edge of the lantern ring, a plurality of upper fixed blocks are fixed on the filter tank below the upper blocks, and the lower blocks are fixedly connected with the telescopic cylinder, the lower end of the filter tank is fixedly provided with a first liquid discharge pipe and a second liquid discharge pipe which are communicated with the filter tank.

2. The suction filtration device for cyanuric acid production as claimed in claim 1, wherein the outer edge of the side wall of the filtration tank is provided with a plurality of vertical chutes, the chutes are internally provided with slide bars in a sliding sealing manner, and the slide bars are fixedly connected with the inner edge of the lantern ring.

3. The suction filtration device for cyanuric acid production according to claim 2, wherein the plurality of vertical chutes are uniformly distributed according to the circumference of the axis of the filter tank.

4. The suction filtration device for cyanuric acid production of claim 1, wherein the plurality of ejector rods are uniformly distributed according to the circumference of the axis of the top ring.

5. The filtration pump filtration device for cyanuric acid production according to claim 1, wherein the outer edge of the grid plate is in contact with the inner edge of the side wall of the filtration cell.

6. The suction filtration device for cyanuric acid production according to claim 1, wherein the first drain pipe and the second drain pipe are both provided with valves.

7. The suction filtration device for cyanuric acid production of claim 1, wherein the plurality of upper fixing blocks are uniformly distributed according to the circumference of the axis of the lantern ring.

8. The suction filtration device for cyanuric acid production according to claim 1, wherein the plurality of rib rings are arranged uniformly in the axial direction of the collar.

9. The suction filtration device for cyanuric acid production as claimed in claim 1, wherein the cylinder body of the telescopic cylinder is fixedly connected with the lower fixed block, and the telescopic rod of the telescopic cylinder is fixedly connected with the upper fixed block.